Home / 1,487,122,939.35-2,052,218,307.96-818,053,577.37

Finding the Fourth Proportional to 1,487,122,939.35, 2,052,218,307.96 and 818,053,577.37

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Solution

The fourth proportional to 1,487,122,939.35, 2,052,218,307.96 and 818,053,577.37 is: 1,128,907,694.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,122,939.35 : 2,052,218,307.96 = 818,053,577.37 : x
  2. Step 2: Convert to fraction form
    1,487,122,939.35/2,052,218,307.96 = 818,053,577.37/x
  3. Step 3: Cross multiply
    1,487,122,939.35x = 2,052,218,307.96 × 818,053,577.37
  4. Step 4: Simplify right side
    1,487,122,939.35x = 1,678,824,528,370,886,400
  5. Step 5: Solve for x
    x = 1,678,824,528,370,886,400/1,487,122,939.35
  6. Step 6: Final answer
    x = 1,128,907,694.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.